gwt.material.design.client.base.validator.ValidatorWrapper Maven / Gradle / Ivy
/*
* #%L
* GwtBootstrap3
* %%
* Copyright (C) 2015 GwtBootstrap3
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package gwt.material.design.client.base.validator;
/**
* Wraps a validator in order to provide sorting capability.
*
* We sort based on priority first, then insertion order. The hashCode and equals function should prevent a
* set from containing 2 validators of the same type.
*
* @author Steven Jardine
*/
public class ValidatorWrapper implements Comparable> {
private final Integer insertionOrder;
private final String name;
private final Integer priority;
private final Validator validator;
/**
* Constructor.
*
* @param validator the validator
* @param insertionOrder the insertion order
*/
public ValidatorWrapper(Validator validator, int insertionOrder) {
this.validator = validator;
this.insertionOrder = insertionOrder;
this.name = validator.getClass().getName();
this.priority = validator.getPriority();
}
@Override
public int compareTo(ValidatorWrapper other) {
if (this == other || getName().equals(other.getName())) {
return 0;
}
int result = getPriority().compareTo(other.getPriority());
if (result == 0) {
result = getInsertionOrder().compareTo(other.getInsertionOrder());
}
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
ValidatorWrapper other = (ValidatorWrapper) obj;
if (name == null) {
if (other.name != null) return false;
} else if (!name.equals(other.name)) return false;
return true;
}
/**
* @return the insertionOrder
*/
public Integer getInsertionOrder() {
return insertionOrder;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @return the priority
*/
public Integer getPriority() {
return priority;
}
/**
* @return the validator
*/
public Validator getValidator() {
return validator;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
}